265 results about "Spectrum sharing" patented technology

The invention discloses a distributed MIMO (Multiple Input Multiple Output) integrated system and method based on a reconfigurable notch chaotic optoelectronic oscillator, belongs to the field of microwave photons, and solves the problems of spectrum resource conflict, difficulty in multi-node synchronization, discrete inductance functions and the like. According to the system, a plurality of independent chaotic OEOs are combined with an optical frequency comb to drive an FIR filtering effect, MIMO chaotic signals with reconfigurable notch frequency points and quantity are generated, and dynamic allocation of spectrum resources is realized. The notch frequency band is used as a communication channel embedded modulation signal, and supports multi-spectrum sharing with 2.4 G, 5G, Wi-Fi and the like; a non-notch frequency band is reserved as a radar signal, and the range resolution is improved by using the broadband characteristic of the chaotic waveform. The star topology optical network expands the coverage area of a distributed system, and a centralized processing architecture reduces the complexity of multi-node collaboration. The invention provides an integrated solution of high-precision environment perception and high-reliability communication for smart cities, Internet of Vehicles and the like, and is suitable for dense urban areas with resource shortage and dynamic multi-service environments.

Mechanisms for directional channel occupancy monitoring for a frequency band among multiple networks are provided. In one aspect, a method of wireless communication includes monitoring, in a shared frequency band in a plurality of beam directions, for signals associated with one or more wireless networks different from the first wireless network. The monitoring includes: detecting, in the shared frequency band and in at least a first beam direction of the plurality of beam directions, a first signal associated with a second wireless network; and up-dating a channel occupancy list to indicate that at least a portion of the shared frequency band is occupied in at least the first beam direction. The method also includes transmitting, in the shared frequency band, a second signal in a second beam direction of the plurality of beam directions based on the channel occupancy list.

The invention provides a spectrum sharing method and device and a medium, and relates to the technical field of communication. The method comprises the following steps: allocating, regulating and controlling a cross-operator sharable spectrum according to a dynamic prediction strategy and an interference suppression strategy; generating a spectrum sharing smart contract and uploading the spectrum sharing smart contract to the block chain, wherein the spectrum sharing smart contract comprises a sharable time period, a sharable area, an adaptive service type, a frequency band and a sharing price mechanism of each sharable spectrum; and the blockchain receives the spectrum sharing request and matches the sharable spectrum for the spectrum sharing request according to the spectrum sharing smart contract. Through a dynamic prediction strategy and an interference suppression strategy, cross-operator sharable frequency spectrums are allocated, regulated and controlled, supply and demand matching and charging of frequency spectrum sharing are realized through a block chain smart contract, a dynamic adjustment allocation scheme is adopted, idle frequency spectrums of multiple operators are cooperatively integrated, optimal allocation of frequency spectrum resources is realized, and interference is dynamically suppressed. And a block chain smart contract is introduced, so that the spectrum sharing scene adaptation capability is improved.

The present disclosure relates to a spectrum sharing method that can prevent jamming attacks and frequency interference through frequency hopping when operating multiple units simultaneously in a non-terrestrial network. The spectrum sharing method through frequency hopping according to an embodiment of the present disclosure is a spectrum sharing method through fast frequency hopping (FFH) in a plurality of cells assigned with different frequencies, the spectrum sharing method including: identifying occupied frequencies assigned to a cell at which a communication unit is positioned and at least one adjacent cell, respectively; and changing collision frequencies matching the occupied frequencies in a preset hopping pattern in the communication unit to a frequency that is not the occupied frequencies.

A virtual fiber communication system includes a central cloud server that obtains telemetry information from network nodes of wireless backhaul mesh network. The telemetry information includes spectrum occupancy information and UE positioning information. The central cloud server obtains, via blockchain-based spectrum broker nodes, frequency spectrum availability metadata and custom-defined spectrum access parameters of spectrum owner nodes. The central cloud server detects spectrum availability variations across network nodes and determines different routing paths for the first type of UEs designated as premium users. Based on the detected spectrum availability variations across the network nodes and the determined different routing paths, control signals are generated and communicated to the network nodes to assign data streams onto rented or leased spectrum frequencies. One of the determined routing paths is selected for delivery of the data streams to the first type of UEs to meet the custom-defined spectrum access parameters.

A method and apparatus are disclosed for rate matching. In one embodiment, a user equipment is configured to receive at least two physical downlink shared channels, PDSCHs; a first PDSCH of the at least two PDSCHs being associated with a first set of cell-specific reference signal, CRS, patterns and a second PDSCH of the at least two PDSCHs being associated with a second set of CRS patterns; and the at least two PDSCHs being rate matched around at least one of the first set of CRS patterns and the second set of CRS patterns. In another embodiment, a network node is configured to transmit the at least one PDSCH of at the least two PDSCHs; and the at least two PDSCHs being rate matched around at least one of the first set of CRS patterns and the second set of CRS patterns.

This disclosure provides approaches for enhancing the efficiency of dynamic spectrum sharing and carrier aggregation in 6G and later networks. The proposed methods and apparatuses allow for the configuration of control and data channels to accommodate multiple non-contiguous sub-bands with different numerologies within a virtual cell. Methods of wireless communication performable at a User Equipment (UE) are accordingly provided which enable the UE to obtain a configuration of a control channel or a data channel in a cell, and receive or transmit information in at least one of the control channel or the data channel based on the configuration. The cell includes a plurality of non-contiguous frequency bands associated with different numerologies. The control channel or the data channel may be allocated in the non-contiguous frequency bands associated with a single numerology of the different numerologies, or the non-contiguous frequency bands associated with each numerology of the different numerologies.

Disclosed herein are systems, methods, and computer-readable media directed to a software application that may be downloaded to and executed on any type of end terminal (may also be referred to as a user equipment), through which UEs of heterogenous systems sharing a frequency band can inform each other and coordinate usage and transmission in the shared frequency band in a distributed and near real-time manner to avoid and minimize interference. This software application can provide an application-based approach for wireless spectrum management.

The invention provides an air-space-ground-sea multi-domain network intelligent cooperation system and method, and belongs to the technical field of communication networks. The system collects heterogeneous network data through a multi-domain sensing layer, and constructs a digital twinborn body by using quantum reinforcement learning to realize network state prediction; semantic analysis is adopted to convert user intentions into a resource demand matrix, and non-orthogonal multiple access and dynamic spectrum sharing technologies are combined to realize joint optimal allocation of satellite-air-sea-ground resources. Compared with the prior art, the method has three advantages that 1) intention-driven intelligent resource scheduling is supported, and the service matching precision is improved by 40%; 2) cross-domain spectrum sharing is realized through federal learning, and the spectrum utilization rate reaches 92%; and 3) the transmission reliability in an anti-interference mode reaches 99.99%, and the system is suitable for emergency communication, ocean monitoring and other scenes.

Various solutions for spectrum sharing in mobile communications with respect to an apparatus and network nodes are described. A primary network node may transmit a spectrum sharing window to a secondary network node and transmit activation information to a User Equipment (UE). The activation information may indicate whether to activate a carrier. The secondary network node may perform data transmission or reception on the carrier during the spectrum sharing window in an event that the carrier is activated.

A virtual fiber communication system includes a central cloud server that obtains telemetry information from a plurality of network nodes in a backhaul network. The network nodes include hybrid analog-digital repeater devices. The server also obtains frequency-spectrum availability metadata and custom-defined spectrum-access parameters from spectrum-owner nodes. The server causes each hybrid analog-digital repeater to form dual analog data links on a first and a second polarization with at least one neighboring hybrid analog-digital repeater. Using the telemetry information, the frequency-spectrum availability metadata, and the custom-defined spectrum-access parameters, the server detects spectrum-availability variations across the network nodes, determines routing paths for a first type of UEs designated as premium users, generates control signals that assign data streams to rented or leased spectrum frequencies, and selects one of the routing paths to deliver the data streams to the premium UEs while satisfying the custom-defined spectrum-access parameters.

This application discloses a resource allocation method, apparatus, and non-volatile storage medium. The method includes: determining a primary carrier and a target slice number corresponding to the primary carrier; determining key indicators associated with the slice corresponding to the target slice number based on the primary carrier, wherein the key indicators include multiple quality indicators; determining an activation type for shared resource allocation based on the key indicators, wherein the shared resources are resource blocks shared by the primary carrier and secondary carriers under the slice corresponding to the target slice number; determining the secondary carrier corresponding to the activation type and a resource allocation strategy corresponding to the activation type; and allocating resource blocks to the primary carrier and secondary carriers under the slice corresponding to the target slice number based on the resource allocation strategy. This application solves the technical problem in related technologies where slice-level cross-carrier spectrum sharing resource allocation methods cannot be implemented.

Provided in the present application are a communication method and an apparatus. The method comprises: a first communication apparatus receives configuration information on a first cell, then receives a first reference signal on a first reference signal resource and receives a second reference signal on a second reference signal resource, and then may send channel state information (CSI), wherein the RAT used by the first cell is a first RAT, the configuration information can be used for configuring the first reference signal resource and the second reference signal resource, the second reference signal resource complies with the protocol specifications of a second RAT, and the CSI is obtained on the basis of the first reference signal and / or the second reference signal. The first reference signal resource and the second reference signal resource are configured for the first communication apparatus, such that the first communication apparatus can measure the reference signals of different RATs, so as to help to improve the performance of beam management / channel measurement, thereby reducing reference signal resource overheads, and improving spectrum sharing efficiency.

Systems and methods are disclosed herein for effectively using channel resources, by a radio access node of Dynamic Spectrum Sharing (DSS) system with carrier aggregation, by adaptively selecting a set of trigger states based on sets of parameters. In one example, a method includes selecting trigger states from candidate trigger states, configuring the selected trigger states, and triggering Channel State Information (CSI) reports for the trigger states. In one example, the selected trigger states include trigger states that are less than or equal to a maximum number of trigger states supported by the wireless communication device. The candidate trigger states include trigger state 0 for a first CSI report for a mixed interference scenario, trigger state 1 for a second CSI report for a non-mixed interference scenario, and trigger state 2 for the first and the second CSI reports.

A method, apparatus, system, and computer program product for performing dynamic spectrum sharing in a wireless communication system. A control plane message identifying a radio resource of a plurality of radio resources is generated for controlling transmission of a data packet of a plurality of data packets between a plurality of communication devices. The generated control plane message is transmitted. Transmission of the data packet in a user plane is controlled using the identified radio resource.

The application provides a resource sharing method and device. The resource sharing method comprises the following steps: a first network device determines a first control channel resource of a first cell in a first spectrum resource, the first cell belonging to the first network device; the first network device sends a first message to a second network device, the first message indicating the second network device to allocate a second control channel resource for a second cell in the first spectrum resource, the second cell belonging to the second network device, the first control channel resource and the second control channel resource belonging to different parts of the first spectrum resource, and the first spectrum resource being a spectrum resource shared by the first cell and the second cell. Thus, the dynamic spectrum sharing mechanism can be used to enable the spectrum dynamic sharing between the cells of the wireless network, and the user experience and the spectrum use efficiency are improved.

Various aspects of the present disclosure relate to combining or integrating the broadcast of system information two different radio access technologies in a single transmission of primary system information by a cell, base station, or other network entity. For example, a synchronization signal block (SSB) associated with a first radio access technology may include information (e.g., in a synchronization signal and / or physical broadcast channel) that identifies a cell broadcasting the information as supporting a different radio access technology. The SSB, embedding or otherwise including certain RAT information, may be useful to user equipment seeking access to different radio access technologies.

Mitigation of interference between terrestrial networks (TN) and non-terrestrial networks (NTN) in integrated communication systems may be achieved by reducing the interference at both networks such that co-channel inter-system interference may be minimized and spectral efficiency may be improved. Additionally, by improving spectrum sharing between TN and NTN, higher throughput may be achieved and user coverage may be expanded. By integrating a directional interference adjustment factor (DIAF) into a power control mechanism, a system can make more informed and precise adjustments to its transmit power. By considering the DIAF, the system may dynamically adjust power to, thereby, minimize interference with other networks or users. Minimization of interference is especially convenient in environments where multiple networks share the same spectrum. Adjusting power based on the DIAF helps maintain a better signal to interference and noise ratio, leading to more reliable communication and better data rates.

This invention discloses a large-scale hybrid constellation distributed downlink spectrum sharing method based on game theory, comprising the following steps: establishing a link channel model in the hybrid constellation; using a perceived satisfaction function as an evaluation index of user performance; formulating a channel allocation game to capture the interaction and conflict between links, formalizing the channel allocation problem as a latent game; to solve the Nash equilibrium solution of the game model, dividing the system cycle into several equal topology cycles, with the topology of the ground-satellite link remaining unchanged within each topology cycle; dividing the topology cycle into a link establishment superframe and a data transmission superframe; and then using a distributed channel allocation algorithm based on stochastic learning for allocation. This application transforms a dynamic social problem into a static channel allocation problem; establishes a mathematical model based on game theory to represent user interaction; balances convergence speed and overall network satisfaction, and improves spectrum efficiency.

The present disclosure relates to an apparatus comprising: means for receiving (800) a synchronization signal block for a first cellular system from a network element; means for receiving (802) a synchronization signal block extension for the second cellular system from the network element or another network element based on the synchronization signal block for the first cellular system; and means for deriving (804) the content of the synchronization signal block for the second cellular system based at least on the synchronization signal block extension for the second cellular system.

The present disclosure relates to an electronic device and method in a wireless communication system, and a computer-readable storage medium. Provided is an electronic device for a spectrum management apparatus in a spectrum-sharing system. The spectrum-sharing system maintains a single blockchain and is partitioned into a plurality of spectrum-sharing autonomous domains; each spectrum-sharing autonomous domain comprises a corresponding spectrum management apparatus and a plurality of base stations; and the spectrum management apparatuses in the plurality of spectrum-sharing autonomous domains realize inter-domain communication by means of a satellite. The electronic device comprises: a processor; and a memory comprising a computer program code, wherein the computer program code, when executed by the processor, causes the electronic device to perform operations comprising: selecting a spectrum-sharing task; by means of an intra-domain task processing and consensus process, generating an autonomous domain candidate block associated with the spectrum-sharing task; confirming, via a satellite, the autonomous domain candidate block by means of an inter-domain task processing and consensus process; and adding the confirmed autonomous domain candidate block as a block of a blockchain.

Disclosed are techniques for wireless communication. In an aspect, a UE transmits a DSS capability indication to a network entity (e.g., base station), which determines scheduling information for resources of a DSS carrier based on the DSS capability indication. In another aspect, a BS transmits RAT-specific (e.g., LTE-specific) information associated with a DL RS (e.g., LTE CRS) to a UE, which processes the DL RS on a DSS carrier based at least in part on the RAT-specific information.

Procedures, methods, architectures, apparatuses, systems, devices, and computer program products for network access in a wireless communications system using common signaling, such as synchronization signals, for multiple Radio Access Technologies (RATs). A wireless transmit / receive unit, WTRU, performs a cell search in the system, obtains first information indicative of whether spectrum sharing is configured in a cell discovered in the cell search and of available radio access technologies, RATs, in the discovered cell, in case the first information indicates that spectrum sharing is configured in the discovered cell, determines which of the of available RATs to access, obtains access configuration parameters for the determined RAT to access, and performs, using the access configuration parameters, a random-access procedure to access the RAT.

Systems, methods and apparatus are disclosed for automatic signal detection in an RF environment. An apparatus comprises at least one receiver and at least one processor coupled with at least one memory. The apparatus is at the edge of a communication network. The apparatus sweeps and learns the RF environment in a predetermined period based on statistical learning techniques, thereby creating learning data. The apparatus forms a knowledge map based on the learning data, scrubs a real-time spectral sweep against the knowledge map, and creates impressions on the RF environment based on a machine learning algorithm. The apparatus is operable to detect at least one signal in the RF environment.

The application discloses a communication method and device, the method comprises: obtaining first information and second information, the first information comprises frequency bands supported by a satellite, distribution information of wave positions of the satellite and ephemeris information of the satellite, and the second information comprises position information of ground equipment in a signal coverage range of the satellite and frequency bands used by the ground equipment; third information is sent according to the first information and the second information, the third information is used for indicating frequency bands used by the satellite on at least one wave position; wherein the frequency bands used by the satellite on a first wave position are different from frequency bands used by ground equipment located on the first wave position, and the first wave position is one of the at least one wave position. The method realizes the configuration of spectrum sharing parameters of the star-ground fusion network according to the wave position as a basic unit, can inhibit mutual interference between the ground network and the satellite network, and improves spectrum utilization.

The embodiment of the invention provides a method and device for spectrum sharing between network technologies. The method comprises: receiving first indication information, the first indication information indicating one of a plurality of modes, the plurality of modes comprising a first mode, a first configuration set associated with the first mode comprising part or all of a second configuration set associated with a second radio access technology; and performing communication based on the first indication information. The plurality of terminal devices associated with different technologies may better coexist.

When wireless communication is carried out on the basis of radio access technology (RAT) through a frequency band, time-frequency resources which are not occupied may exist on the frequency band. In some embodiments, time-frequency resources not occupied by first RAT-based wireless transmissions may be used for second RAT-based wireless transmissions. For example, a first RAT may wirelessly communicate over a first frequency band, while a second RAT may wirelessly communicate over a second frequency band. The first frequency band and the second frequency band may at least partially overlap in the frequency domain such that the second RAT-based wireless communications on the second frequency band may use time-frequency resources that are not occupied by the first RAT-based wireless transmissions on the first frequency band. In this way, time-frequency resources can be efficiently utilized through the shared spectrum.

Methods, systems, and devices for spectral sharing wireless systems, wherein multiple user devices share time and frequency resources for uplink and / or downlink transmissions, are described. One example wireless communication system includes a network station, and multiple user devices, wherein data transmissions over the same time and frequency resources are shared between multiple user devices, in downlink and / or uplink, using spatial user device separation that is dynamically computed by the network station, and where the network station derives spatial user device separation based on uplink channel measurements.

The invention provides a dynamic spectrum resource coordination method, device and equipment, a medium and a product, and relates to the technical field of mobile communication network spectrum management. The method comprises the following steps: acquiring signal strength information and neighbor relation of a plurality of cells in the hybrid network; selecting a target cell from the plurality of cells; according to the signal strength information of the plurality of cells and the adjacent cell relationship, determining a cell meeting an association condition with the target cell in the plurality of cells as an interference cell; dynamically associating the interference cell with the target cell to obtain an interference coordination cluster; obtaining hybrid network resource data and historical network resource data in the cluster; performing telephone traffic prediction according to the hybrid network resource data and the historical network resource data to obtain a service prediction result under the dynamic spectrum sharing network; and performing time domain and / or frequency domain cooperative adjustment on the dynamic spectrum resources in the hybrid network according to the service prediction result. Time domain and / or frequency domain resource configuration is carried out in the interference coordination cluster, so that the overall utilization efficiency of spectrum resources can be improved to the greatest extent.

This invention proposes a downlink adaptive nonorthogonal multiple access method for satellite-ground converged networks. By integrating promising cognitive radio and nonorthogonal multiple access technologies, this invention proposes an adaptive dynamic multiple access technology based on spectrum sharing to match the uneven distribution and time-varying characteristics of service demands and available spectrum resources in ISTCN, thereby improving spectrum utilization and access density.